9998693 has 8 divisors (see below), whose sum is σ = 10698720. Its totient is φ = 9316080.

The previous prime is 9998689. The next prime is 9998699. The reversal of 9998693 is 3968999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9998693 - 2² = 9998689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3155 + ... + 5472.

It is an arithmetic number, because the mean of its divisors is an integer number (1337340).

Almost surely, 2^9998693 is an apocalyptic number.

It is an amenable number.

9998693 is a deficient number, since it is larger than the sum of its proper divisors (700027).

9998693 is a wasteful number, since it uses less digits than its factorization.

9998693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707.

The product of its digits is 944784, while the sum is 53.

The square root of 9998693 is about 3162.0709985704. The cubic root of 9998693 is about 215.4340824404.

The spelling of 9998693 in words is "nine million, nine hundred ninety-eight thousand, six hundred ninety-three".